Search a number
-
+
1142442263 is a prime number
BaseRepresentation
bin100010000011000…
…0100100100010111
32221121201002011102
41010012010210113
54314431123023
6305210300315
740211412314
oct10406044427
92847632142
101142442263
11536973866
1227a72769b
131528c1051
14aba29d0b
156a46b628
hex44184917

1142442263 has 2 divisors, whose sum is σ = 1142442264. Its totient is φ = 1142442262.

The previous prime is 1142442173. The next prime is 1142442277. The reversal of 1142442263 is 3622442411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1142442263 - 228 = 874006807 is a prime.

It is a super-2 number, since 2×11424422632 = 2610348648577122338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1142442563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571221131 + 571221132.

It is an arithmetic number, because the mean of its divisors is an integer number (571221132).

Almost surely, 21142442263 is an apocalyptic number.

1142442263 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142442263 is an equidigital number, since it uses as much as digits as its factorization.

1142442263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9216, while the sum is 29.

The square root of 1142442263 is about 33800.0334763148. The cubic root of 1142442263 is about 1045.3893874847.

Adding to 1142442263 its reverse (3622442411), we get a palindrome (4764884674).

The spelling of 1142442263 in words is "one billion, one hundred forty-two million, four hundred forty-two thousand, two hundred sixty-three".